Home / 790,186.55-1,184,799.84-309,838.86

Finding the Fourth Proportional to 790,186.55, 1,184,799.84 and 309,838.86

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Solution

The fourth proportional to 790,186.55, 1,184,799.84 and 309,838.86 is: 464,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,186.55 : 1,184,799.84 = 309,838.86 : x
  2. Step 2: Convert to fraction form
    790,186.55/1,184,799.84 = 309,838.86/x
  3. Step 3: Cross multiply
    790,186.55x = 1,184,799.84 × 309,838.86
  4. Step 4: Simplify right side
    790,186.55x = 367,097,030,694.18
  5. Step 5: Solve for x
    x = 367,097,030,694.18/790,186.55
  6. Step 6: Final answer
    x = 464,570.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.